Patents by Inventor Kunishige Kataoka

Kunishige Kataoka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electrocatalyst and enzymatic electrode
    Patent number: 8361662
    Abstract: A novel electrocatalyst made of an oxidase having high electron transfer efficiency and an enzymatic electrode using the same are provided. The electrocatalyst is made of CueO. The enzymatic electrode comprises a carbonaceous porous body and an electrocatalyst made of CueO supported on the surface of the carbonaceous porous body. CueO is preferably CueO from Escherichia coli. The carbonaceous porous body constituting the enzymatic electrode is preferably carbonaceous gel. Also, the enzymatic electrode may further comprise a mediator which facilitates transfer of electron between the carbonaceous porous body and said CueO.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: January 29, 2013
    Assignees: Toyota Jidosha Kabushiki Kaisha, Kyoto University, National University Corporation Kanazawa University
    Inventors: Tsutomu Kajino, Norihiko Setoyama, Keiko Uemura, Hisao Kato, Kenji Kano, Seiya Tsujimura, Takeshi Sakurai, Kunishige Kataoka
  • Deletion mutant of multi-copper oxidase and its use in dyeing
    Patent number: 7939307
    Abstract: Modified CueO having excellent enzymatic activity and a composition for dyeing keratin fiber which contains the enzyme. A recombinant protein having an enzymatic activity for oxidizing p-phenylenediamine, the protein is obtained by removing from CueO at least one member selected from the group consisting of helix 5, helix 6, and helix 7; and the composition for dyeing keratin fiber containing the recombinant protein and an oxidation dye.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: May 10, 2011
    Assignees: National University Corporation Kanazawa University, Mandom Corporation
    Inventors: Kaori Otsuka, Yoshio Tsujino, Yusuke Konno, Shinji Kurose, Kunishige Kataoka, Takeshi Sakurai
  • Multi-Copper Oxidase CueO with Dyeability
    Publication number: 20100205754
    Abstract: Modified CueO having excellent enzymatic activity and a composition for dyeing keratin fiber which contains the enzyme. A recombinant protein having an enzymatic activity for oxidizing p-phenylenediamine, the protein is obtained by removing from CueO at least one member selected from the group consisting of helix 5, helix 6, and helix 7; and the composition for dyeing keratin fiber containing the recombinant protein and an oxidation dye.
    Type: Application
    Filed: April 14, 2006
    Publication date: August 19, 2010
    Applicants: NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSIT, MANDOM CORPORATION
    Inventors: Kaori Otsuka, Yoshio Tsujino, Yusuke Konno, Shinji Kurose, Kunishige Kataoka, Takeshi Sakurai
  • ELECTROCATALYST AND ENZYMATIC ELECTRODE
    Publication number: 20100040910
    Abstract: A novel electrocatalyst made of an oxidase having high electron transfer efficiency and an enzymatic electrode using the same are provided. The electrocatalyst is made of CueO. The enzymatic electrode comprises a carbonaceous porous body and an electrocatalyst made of CueO supported on the surface of the carbonaceous porous body. CueO is preferably CueO from Escherichia coli. The carbonaceous porous body constituting the enzymatic electrode is preferably carbonaceous gel. Also, the enzymatic electrode may further comprise a mediator which facilitates transfer of electron between the carbonaceous porous body and said CueO.
    Type: Application
    Filed: September 5, 2007
    Publication date: February 18, 2010
    Inventors: Tsutomu Kajino, Norihiko Setoyama, Keiko Uemura, Hisao Kato, Kenji Kano, Seiya Tsujimura, Takeshi Sakurai, Kunishige Kataoka